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(1) It is carried on the X chromosome.

(2) A visible example of X chromosome inactivation is the tortoiseshell cat.

(3) The gene is found on the X chromosome, males being more severely affected than females.

(4) Consequently, a Cain gene on an X chromosome can safety kill the Y chromosome and not risk suicide.

(5) In heterozygous females, pre-B cells whose active X chromosome expresses the mutant gene would not terminally differentiate and proliferate.

(6) The X chromosome is therefore the logical place to turn for more information.

(7) How can an X chromosome be nearly as big as the head of the sperm cell?

(8) The use of the X chromosome in population genetics is still in its infancy.

(9) Female mosaicism of the X chromosome has major implications for human health and disease and is the leading cause of female protection from X-linked genetic disorders.

(10) The pattern arises, we now know, because the gene is carried on the X chromosome.

(11) Females may be variably affected by virtue of random inactivation of the X chromosome.

(12) Most mammals hae just two kinds of photopigment in their retinas : one is encoded in the X chromosome and the other in an autosomal (non-sex) chromosome.

(13) The 23rd chromosome in all oocytes is always an X chromosome.

(14) Fewer than 1 % of females affected because the trait is carried on the X chromosome. Sentencedict.com

(15) Heterogametic sex The sex with dissimilar sex chromosomes, one (in mammals the Y chromosome)being shorter than the other(the X chromosome).

(16) The colour blindness in the monkeys arises because full colour vision requires two versions of the opsin gene, which is carried on the X chromosome.

(17) But many primates, including humans, have a third photopigment, encoded by a second gene on the X chromosome.

(18) Ovarian nurse cell polytene chromosomes from F1 hybrid females showed partial asynapsis in X chromosome as well as in autosonles, asynapsis at 38 zone in 3L being the most constant.

(19) It's plausible that millions of years ago a single mutation resulted in two different versions of the photopigment gene becoming located on the same X chromosome.

(20) Most mammals have just two kinds of photopigment in their retinas: one is encoded in the X chromosome and the other in an autosomal (non-sex) chromosome.

(21) Objective To study the clonality of palmar fibromatosis by molecular genetic analysis of X chromosome inactivation pattern at a polymorphic site of human androgen receptor gene (HUMARA).

(22) Is Photosensitive Epilepsy Less Common in Males Due to Variation in X Chromosome Photopigment Genes?

(23) But many primates , including humans, hae a third photopigment, encoded by a second gene on the X chromosome.

(24) The attenuated phenotype should be owing to skewed X inactivation derivative X chromosome.